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https://github.com/AxioDL/PrimeWorldEditor.git
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Initial commit of current work on Prime World Editor
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parax0
320
Scene/CScriptNode.cpp
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320
Scene/CScriptNode.cpp
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#include "CScriptNode.h"
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#include <gtx/quaternion.hpp>
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#include <Common/AnimUtil.h>
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#include <Common/Math.h>
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#include <Core/CDrawUtil.h>
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#include <Core/CGraphics.h>
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#include <Core/CRenderer.h>
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#include <Core/CResCache.h>
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#include <Core/CSceneManager.h>
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CScriptNode::CScriptNode(CSceneManager *pScene, CSceneNode *pParent, CScriptObject *pObject)
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: CSceneNode(pScene, pParent)
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{
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mpVolumePreviewNode = nullptr;
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// Evaluate instance
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mpInstance = pObject;
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mpActiveModel = nullptr;
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if (mpInstance)
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{
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mpActiveModel = mpInstance->GetDisplayModel();
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mPosition = mpInstance->GetPosition();
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mRotation = CQuaternion::FromEuler(mpInstance->GetRotation());
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mScale = mpInstance->GetScale();
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SetName("[" + mpInstance->Template()->TemplateName() + "] " + mpInstance->GetInstanceName());
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MarkTransformChanged();
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mHasValidPosition = ((mpInstance->GetAttribFlags() & ePositionAttrib) != 0);
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mHasVolumePreview = ((mpInstance->GetAttribFlags() & eVolumeAttrib) != 0);
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// Create volume preview node
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if (mHasVolumePreview)
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{
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u32 VolumeShape = mpInstance->GetVolumeShape();
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CModel *pVolumeModel = nullptr;
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if ((VolumeShape == 0) || (VolumeShape == 1)) // Box/OrientedBox
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pVolumeModel = (CModel*) gResCache.GetResource("../resources/VolumeBox.cmdl");
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else if (VolumeShape == 2) // Sphere
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pVolumeModel = (CModel*) gResCache.GetResource("../resources/VolumeSphere.cmdl");
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if (pVolumeModel)
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{
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mpVolumePreviewNode = new CModelNode(pScene, this, pVolumeModel);
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mpVolumePreviewNode->SetInheritance(true, (VolumeShape == 1), false);
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mpVolumePreviewNode->Scale(mpInstance->GetVolume());
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mpVolumePreviewNode->ForceAlphaEnabled(true);
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}
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}
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}
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else
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{
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// Shouldn't ever happen
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SetName("ScriptNode - NO INSTANCE");
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}
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if (mpActiveModel)
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mLocalAABox = mpActiveModel->AABox();
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else
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mLocalAABox = CAABox::skOne;
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}
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ENodeType CScriptNode::NodeType()
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{
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return eScriptNode;
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}
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std::string CScriptNode::PrefixedName() const
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{
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return "[" + mpInstance->Template()->TemplateName() + "] " + mpInstance->GetInstanceName();
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}
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void CScriptNode::AddToRenderer(CRenderer *pRenderer)
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{
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if (!mpInstance) return;
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if (!mpActiveModel)
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pRenderer->AddOpaqueMesh(this, 0, AABox(), eDrawMesh);
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else
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{
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if (!mpActiveModel->IsBuffered())
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mpActiveModel->BufferGL();
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if (!mpActiveModel->HasTransparency(0))
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pRenderer->AddOpaqueMesh(this, 0, AABox(), eDrawMesh);
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else
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{
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u32 SubmeshCount = mpActiveModel->GetSurfaceCount();
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for (u32 s = 0; s < SubmeshCount; s++)
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{
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if (!mpActiveModel->IsSurfaceTransparent(s, 0))
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pRenderer->AddOpaqueMesh(this, s, mpActiveModel->GetSurfaceAABox(s).Transformed(Transform()), eDrawAsset);
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else
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pRenderer->AddTransparentMesh(this, s, mpActiveModel->GetSurfaceAABox(s).Transformed(Transform()), eDrawAsset);
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}
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}
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}
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if (IsSelected())
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{
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pRenderer->AddOpaqueMesh(this, 0, AABox(), eDrawSelection);
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if (mHasVolumePreview)
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mpVolumePreviewNode->AddToRenderer(pRenderer);
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}
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}
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void CScriptNode::Draw(ERenderOptions Options)
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{
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if (!mpInstance) return;
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if (!mpActiveModel)
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{
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glBlendFunc(GL_ONE, GL_ZERO);
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glDepthMask(GL_TRUE);
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LoadModelMatrix();
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CGraphics::SetDefaultLighting();
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CGraphics::UpdateLightBlock();
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CDrawUtil::DrawShadedCube(CColor::skTransparentPurple);
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return;
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}
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if (CGraphics::sLightMode == CGraphics::WorldLighting)
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CGraphics::sVertexBlock.COLOR0_Amb = CGraphics::sAreaAmbientColor.ToVector4f() * CGraphics::sWorldLightMultiplier;
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else
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CGraphics::sVertexBlock.COLOR0_Amb = CGraphics::skDefaultAmbientColor.ToVector4f();
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LoadModelMatrix();
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LoadLights();
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CGraphics::sPixelBlock.TevColor = mpInstance->GetTevColor().ToVector4f();
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mpActiveModel->Draw(Options, 0);
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}
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void CScriptNode::DrawAsset(ERenderOptions Options, u32 Asset)
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{
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if (!mpInstance) return;
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if (!mpActiveModel) return;
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if (CGraphics::sLightMode == CGraphics::WorldLighting)
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CGraphics::sVertexBlock.COLOR0_Amb = CGraphics::sAreaAmbientColor.ToVector4f() * CGraphics::sWorldLightMultiplier;
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else
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CGraphics::sVertexBlock.COLOR0_Amb = CGraphics::skDefaultAmbientColor.ToVector4f();
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LoadModelMatrix();
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LoadLights();
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CGraphics::sPixelBlock.TevColor = mpInstance->GetTevColor().ToVector4f();
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mpActiveModel->DrawSurface(Options, Asset, 0);
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}
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void CScriptNode::DrawSelection()
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{
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CDrawUtil::DrawWireCube(AABox(), CColor::skTransparentWhite);
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if (mpInstance)
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{
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for (u32 iIn = 0; iIn < mpInstance->NumInLinks(); iIn++)
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{
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const SLink& con = mpInstance->InLink(iIn);
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CScriptNode *pLinkNode = mpScene->ScriptNodeByID(con.ObjectID);
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if (pLinkNode) CDrawUtil::DrawLine(CenterPoint(), pLinkNode->CenterPoint(), CColor::skTransparentRed);
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}
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for (u32 iOut = 0; iOut < mpInstance->NumOutLinks(); iOut++)
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{
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const SLink& con = mpInstance->OutLink(iOut);
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CScriptNode *pLinkNode = mpScene->ScriptNodeByID(con.ObjectID);
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if (pLinkNode) CDrawUtil::DrawLine(CenterPoint(), pLinkNode->CenterPoint(), CColor::skTransparentGreen);
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}
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}
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}
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void CScriptNode::RayAABoxIntersectTest(CRayCollisionTester &Tester)
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{
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if (!mpInstance)
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return;
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const CRay& Ray = Tester.Ray();
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std::pair<bool,float> BoxResult = AABox().IntersectsRay(Ray);
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if (BoxResult.first)
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{
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if (mpActiveModel)
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{
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for (u32 iSurf = 0; iSurf < mpActiveModel->GetSurfaceCount(); iSurf++)
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{
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std::pair<bool,float> SurfResult = mpActiveModel->GetSurfaceAABox(iSurf).Transformed(Transform()).IntersectsRay(Ray);
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if (SurfResult.first)
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Tester.AddNode(this, iSurf, SurfResult.second);
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}
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}
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else Tester.AddNode(this, 0, BoxResult.second);
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}
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}
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SRayIntersection CScriptNode::RayNodeIntersectTest(const CRay &Ray, u32 AssetID)
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{
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SRayIntersection out;
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out.pNode = this;
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out.AssetIndex = AssetID;
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CRay TransformedRay = Ray.Transformed(Transform().Inverse());
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CModel *pModel = (mpActiveModel ? mpActiveModel : CDrawUtil::GetCubeModel());
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std::pair<bool,float> Result = pModel->GetSurface(AssetID)->IntersectsRay(TransformedRay, Transform());
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if (Result.first)
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{
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out.Hit = true;
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CVector3f HitPoint = TransformedRay.PointOnRay(Result.second);
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CVector3f WorldHitPoint = Transform() * HitPoint;
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out.Distance = Math::Distance(Ray.Origin(), WorldHitPoint);
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}
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else
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out.Hit = false;
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return out;
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}
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bool CScriptNode::IsVisible() const
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{
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// Reimplementation of CSceneNode::IsHidden() to allow for layer and template visiblity to be taken into account
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return (mVisible && mpInstance->Layer()->IsVisible() && mpInstance->Template()->IsVisible());
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}
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CScriptObject* CScriptNode::Object()
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{
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return mpInstance;
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}
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CModel* CScriptNode::ActiveModel()
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{
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return mpActiveModel;
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}
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void CScriptNode::GeneratePosition()
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{
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if (!mHasValidPosition)
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{
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// Default to center of the active area; this is to preven recursion issues
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CTransform4f& AreaTransform = mpScene->GetActiveArea()->GetTransform();
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mPosition = CVector3f(AreaTransform[0][3], AreaTransform[1][3], AreaTransform[2][3]);
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mHasValidPosition = true;
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MarkTransformChanged();
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// Ideal way to generate the position is to find a spot close to where it's being used.
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// To do this I check the location of the objects that this one is linked to.
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u32 NumLinks = mpInstance->NumInLinks() + mpInstance->NumOutLinks();
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// In the case of one link, apply an offset so the new position isn't the same place as the object it's linked to
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if (NumLinks == 1)
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{
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const SLink& link = (mpInstance->NumInLinks() > 0 ? mpInstance->InLink(0) : mpInstance->OutLink(0));
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CScriptNode *pNode = mpScene->ScriptNodeByID(link.ObjectID);
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pNode->GeneratePosition();
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mPosition = pNode->GetAbsolutePosition();
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mPosition.z += (pNode->AABox().GetSize().z / 2.f);
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mPosition.z += (AABox().GetSize().z / 2.f);
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mPosition.z += 2.f;
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}
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// For two or more links, average out the position of the connected objects.
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else if (NumLinks >= 2)
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{
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CVector3f NewPos = CVector3f::skZero;
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for (u32 iIn = 0; iIn < mpInstance->NumInLinks(); iIn++)
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{
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CScriptNode *pNode = mpScene->ScriptNodeByID(mpInstance->InLink(iIn).ObjectID);
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if (pNode)
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{
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pNode->GeneratePosition();
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NewPos += pNode->AABox().Center();
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}
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}
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for (u32 iOut = 0; iOut < mpInstance->NumOutLinks(); iOut++)
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{
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CScriptNode *pNode = mpScene->ScriptNodeByID(mpInstance->OutLink(iOut).ObjectID);
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if (pNode)
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{
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pNode->GeneratePosition();
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NewPos += pNode->AABox().Center();
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}
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}
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mPosition = NewPos / NumLinks;
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mPosition.x += 2.f;
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}
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MarkTransformChanged();
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}
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}
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bool CScriptNode::HasPreviewVolume()
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{
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return mHasVolumePreview;
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}
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CAABox CScriptNode::PreviewVolumeAABox()
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{
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if (!mHasVolumePreview)
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return CAABox::skZero;
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else
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return mpVolumePreviewNode->AABox();
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}
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